Complete the following truth table by filling in the blanks with T or F as appropriate.

$p$	$q$	$\mathbin{\sim} p$	$p \vee q$	$\mathbin{\sim} p \wedge (p \vee q)$	$[ \mathbin{\sim} p \wedge (p \vee q) ] \rightarrow q$
T	T
T	F
F	T
F	F

The proposition in the final column is

A. a contingency
B. a contradiction
C. a tautology